Hann peter korschilgen



UNITED STATES YPATENT OFFICE.

JOHANN PETER KoRsoHILGEN, 0E,EEEGISGHGLADBAGEGERMANY.

RAG-ENGlNE.

SPECIFICATION forming part of Letters Patent No. 268,806, dated December12, 1882.

Application filed August- 23, 1882. (No model.) Patented in GermanyNovember 27, 188i. No. 18,875.

in paper-mills, and to reduce or avoid their de` structive actionon theber of weaker materials. It is illustrated by the annexed drawings, ofWhichi Figure 1 is a vertical section of an ordinary rag-engine, whileFig. 2 is a vertical section, and Fig. 3 is a pian view, of a rag-engineembodying my invention. i

In the ordinary rag-engine the jaw B of the engine-bed is only composedof from six to eight vertical knives, on which the cylinderA rests withits Whole Weight, while in my iinproved engine the jaw C surrounds aportion of' the cylinder, varying` from one-tenth to onethird of itscircumference, and the knives or ribs composing it are placed radiallyto the cylinder, which is mounted in its bearings at -such a height asto avoid a direct contact ot"` its teeth with thcjaw, or to obtain onlyaslight brushing contact.

What I claim is- A rag-engine jaw of metal or stone and provided withradial knives surrounding from' one-tenth to one-third of thecircumference of the engine-cylinder, substantially as described andVillustrated.

In testimony whereof I have signed this specification inthe presence oftwo subscribing Witnesses.

JOHANN PETER KORSCHILGEN. Witnesses:

G. ADoLF HARDZ, G. SCHNEIDER.

